OBA Plans - Input Please!

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B

barlowrs

Joined
Dec 15, 2009
Threads
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Location
Orange County
OK, well it is time to work on my onboard system.

Essentially, it will be used for airing up tires, and eventually my Air Lockers. However, I would really like the ability to run some small air tools if necessary. This is my first air system, so please take a look at this and if I have anything wrong, let me know. This is the schematic I came up with:

OBASetup.jpg


Here are details on the components:

Compressor: I am looking at an AIM DC-7600. This is supposedly the same internals as a Puma, extremeair, etc, and all the research I have done seems to be a good setup for pretty cheap. A lot of street (mini) trucks swear by the DC-5000 and DC-7500, so I figure it will be good. Also, seems strong enough to be able to run tools if need be.

Specs:

Weight.......20lbs
Height........9"
Length.......12"
CFM...........4.0
HP..............3/4hp
AMPS.........24

Link: Click Here

Unloader: Link: Click Here

Water Separator: Link: Click Here

Check Valve: If I get the DC-7600 compressor, it comes with check Valve

Manifold: 7 port extreme outback. Link: Click Here

Gauge: Haven’t spec’ed this yet

Saftey/Blowoff Valve: 165 Blow off. Link: Click Here

Pressure Switch: If I get the DC-7600 compressor, it comes with pressure switch, I will simply relocate it to the manifold. I believe it is 100 on/150 off

In-Cab Switch: Probably going to make my own like I did with my lights

Tank: Looking at the Air-Zenith 5 Gallon. It is not too tall (8.5” with legs) so it wont hang too low, but 5 gallons should give me a nice supply before I have to tap into the compressor. Link: Click Here

Air Coupler: Haven’t spec’ed this out yet. Figure they should be easy to come by

If there is anything else I am missing, or forgetting, please chime in and school me. Also, if you think I am going about this all wrong, I would love to hear your opinions/input. All in all, this setup should cost me about $600.
 
 
96r50 said:
I'm not sure what vehicle you are putting this in, but regardless of that point there is a lot of good info in the 80 series section about OBA systems.

https://forum.ih8mud.com/80-series-tech/315929-york-oba-install.html
https://forum.ih8mud.com/80-series-tech/208201-project-onboard-air-york-compressor.html
https://forum.ih8mud.com/80-series-tech/238006-question-oba-gurus.html
https://forum.ih8mud.com/80-series-tech/217849-another-york-oba-install-pics.html
https://forum.ih8mud.com/80-series-tech/212066-york-vs-electric-compressor-vs-co2.html
Click to expand...

I wish I could do a York, or Kilby, but unfortunatly, this is for an 05+ tacoma, and I dont think there is any room in there for it. Thanks though.
 
Do yourself a favor and do a web search on Aim Industries, Joe Morrow and any of the list of other company names they use including; Chassis Tech, Truckn-Store, Air Bag It, Ratical Tops, etc. They have a reputation for horrible customer service, vastly over stating products capabilities, huge shipping charges, 35% restock fees, etc. I was going to do the same type setup, did the research and would not buy from them. They are local to me, so would be an easy purchase. Their local reputation is worse than their web reputation!:o:eek: I wheel with a recovering bagger/low rider, who owned a related shop and the stories are legendary. Basically he says, anything from them (whatever name they are using this week) is junk, if you happen to get something that is good, that is an exception.

I went with the Puma and that has been a great decision. From your explained need it would work well for you? It has just about everything that you are looking for in one package.

Why a 5gal tank? The Puma comes with a 1.5gal, I have done some testing and for my trail use it is about right. I have a 4.5gal tank, have hooked it up and results were disappointing. For airing up the quickest time is with no tank, as more tank capacity is added, total time is longer. For air tools, the results become more mixed, it is a game of would you rather wait longer for recovery, have slightly longer run time or quicker recovery, shorter run time, what run time is needed? My trail gun is a IR 3/8" gun, it will remove all 6 properly torqued lug nuts, without waiting for recovery. The recovery time is ~1min, so by the time the spare is on, it is good to go. Have done some pretty big trail repairs and it has always met the need.

The Puma is quiet, compact, reliable and portable. My first plan was to divorce the tank, mount it under the rig and the pump inside, but the portability has proven to be an asset. Having the option to move/use it in other rigs, if another rig breaks and can't drive to it, having the option to carry it to them has proven to be valuable.
 
Tools R Us said:
I went with the Puma and that has been a great decision. From your explained need it would work well for you? It has just about everything that you are looking for in one package.
Click to expand...

Thanks for the input...yes, after some more research, I found out about the Puma, and it seems perfect. I will be ordering it shortly :D. I am not sure what components it comes with and I do intend to seperate it, but I can always plan that once I get it here and invintory the parts it comes with.

Thanks
 
From your list it comes with; compressor, tank, unloader, gauge, check valve, blow off valve, pressure switch and universal coupler. It also has a nice regulator with a gauge. It comes setup to run like a normal shop compressor, comes on at ~90psi and turns off at ~130psi, so add power wires and hose and is good to go. Great unit, value for the $.
 
Have you read this thread? https://forum.ih8mud.com/camping-outdoor-gear/166969-puma-12v-compressor.html

Starting in post #5, Timber5086 installed his in a Taco. Under the hood, would be my last mounting choice, but his works. Heat is the #1 enemy of compressors, it affects performance and life of the motor and pump. My first choice is mounting the pump in the interior of the rig and the tank wherever it fits. Wherever it is mounted it needs to have good, cool as possible airflow, additional fan(s) if necessary.
 
Tools R Us said:
From your list it comes with; compressor, tank, unloader, gauge, check valve, blow off valve, pressure switch and universal coupler. It also has a nice regulator with a gauge. It comes setup to run like a normal shop compressor, comes on at ~90psi and turns off at ~130psi, so add power wires and hose and is good to go. Great unit, value for the $.
Click to expand...

Tools R Us said:
Have you read this thread? https://forum.ih8mud.com/camping-outdoor-gear/166969-puma-12v-compressor.html

Starting in post #5, Timber5086 installed his in a Taco. Under the hood, would be my last mounting choice, but his works. Heat is the #1 enemy of compressors, it affects performance and life of the motor and pump. My first choice is mounting the pump in the interior of the rig and the tank wherever it fits. Wherever it is mounted it needs to have good, cool as possible airflow, additional fan(s) if necessary.
Click to expand...

GREAT INFO! thakns a lot! I had seen some of the pics in that thread, but wasnt able to find the full thread...thanks again
 
All of the unloaders I have seen are also check valves, including the one you linked to.
 
Just an FYI: George at Extreme Outback stocks, although doesn't list it on his website, a small 1-gallon air tank (the size of a small fire extinguisher tank...about 4"x18") that are super handy for stuffing alongside a frame rail, etc. I have two of these, as that's all the space I have left :rolleyes:, apart of my OBA system and they've worked out great.
 
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